Rule History

SID: 2020956 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 2 • Apr 21, 2015, 12:00 PM

Message:

ET HUNTING Windows nbtstat -r Microsoft Windows DOS prompt command exit OUTBOUND

Rule:

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Windows nbtstat -r Microsoft Windows DOS prompt command exit OUTBOUND"; flow:established,to_server; content:"NetBIOS Names Resolution and Registration Statistics"; fast_pattern; content:"Name"; distance:0; content:"Type"; distance:0; content:"Status"; distance:0; classtype:trojan-activity; sid:2020956; rev:2; metadata:created_at 2015_04_21, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Apr 21, 2015, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 20, 2025, 3:34 PM

Filename:

rules/emerging-hunting.rules